Recent: How can I replace extract fan in bathroom?

Mend Vaillant ecoTEC Home Heating Systems

Mend Heating, Home Heating Systems
Find out how to mend it for free.

Ask Question
Mend Heating, Home Heating Systems
Find out how to mend Vaillant ecoTEC home heating systems
F.11 Return NTC short circuit.
Cause - NTC defective, cable/casing shortcut

F.20 Safety temperature limiter by NTC activated. Cause - Flow-NTC not correctly thermal-connected or defective; appliance does not shut down

Andy
February 2009

Automatic Answer

We may have found other answers which could help you.

Click here for Vaillant Ecotec Fault Code

How to mend ...

Find out how to mend just about anything howtomendit.com for free repair help, information and advice.
Mend Home Heating Systems ...
Mend Heating, Home Heating Systems
Find out how to mend Vaillant ecoTEC home heating systems